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Cobra 29 LTD Chrome driver & final transistor part #

Crambone

Well-Known Member
Jan 22, 2019
486
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Whiteout cb tricks up I can’t find the part numbers for the driver and final transistor’s. I tried looking on then physically but nothing on them?
 

Different generations of Cobra 29's used different Driver and Final combos.

Driver / Final
29 23ch - 2SC1226 / 2SC756-2-4 (round can TO39, so not compatible with mounting a TO220 style like below)

29XLR - 2SC2091 / 2SC2092

29GTL - 2SC2028 / 2SC2029
29LTD - 2SC1957 / 2SC2078

29 Plus - 2SC2086 / 2SC2166

29LTD-ST - 2SC1957 / 2SC2078
29LTD-Classic - 2SC2028 / 2SC2029

29LTD-BT - 2SC2314 / 2SC2078

29LXLE - 2SC1957 / 2SC2078
29LX-Max - 2SC1957 / 2SC2078


You could use almost any combo. The Drivers are mostly interchangeable, and the Finals are too.
 
Last edited:
The driver in mine is a 1957 and the final is a 2078 (SEP 2018), pulled them yesterday to check them after I blew a trace.
 

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